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经营范围
发明名称
Improvements in furnaces for annealing metal sheets by a continuous process
摘要
申请公布号
GB335234(A)
申请公布日期
1930.09.22
申请号
GB19290015661
申请日期
1929.05.21
申请人
ERNEST GRIFFITHS
发明人
分类号
C21D9/46
主分类号
C21D9/46
代理机构
代理人
主权项
地址
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